Command Reference Guide BGP Neighbor Configuration Command Set
61200510L1-35E Copyright © 2005 ADTRAN 1297

update-source <interface>

Use the update-source command to specify which virtual interface’s IP address will be used as the source
IP address for the BGP TCP connection (when connecting to this peer). Use the no form of this command
to return to default settings.
Syntax Description
<interface>
Specifies the interface ID (e.g., loopback 1) of the virtual interface to be used as
the source IP address.
Default Values
By default, the outbound interface's IP address is used for BGP updates.
Applicable Platforms
This command applies to the NetVanta 300, 1000R, 2000, 3000, 4000, and 5000 and Total Access 900
Series units.
Command History
Release 9.3 Command was introduced.
Functional Notes
This is most often configured as a loopback interface that is reachable by the peer router. The peer will
specify this address in its neig hbor commands for this router.
Usage Examples
The following example configu res the loopback 1 interface as the sour ce IP:
(config)#router bgp-neighbor 192.22.73.101
(config-bgp-neighbor)#update-source loopback 1